The layer, located 100 miles below the Earth's surface, could help shed light on how the tectonic plates move.
Zine Month starts tomorrow, so now's the time to catch up on all the new and exciting games that released in January.
A research team believes hard-to-destroy asteroids made from loose rubble and dust may be quite common in our solar system.
A web app from Neal.Fun is a choose-your-own-adventure for planetary annihilation
More than 2 million pounds of debris shot into space when the DART spacecraft smashed into Dimorphos in September.
SWOT will collect data on all of our planet's large water bodies every 21 days, offering key insights into climate, sea level rise, and freshwater.
The impact created fast-moving waves nearly 3 miles high, a new study finds.
The Italian-built LICIACube watched from a distance as the NASA spacecraft rammed into the unsuspecting asteroid.
The bright turquoise run-off might look beautiful, but it's emblematic of a rapid and worrying decline.
The Po river has not had any rain in over 110 days, revealing a barge that sank eight decades ago.
The weather pattern also affects the Atlantic hurricane season.
The Loop Current is ominously far north this year—combined with other factors, it could make for a disastrous hurricane season.
Here's what the natural cycle means for our upcoming hurricane season.
Geophysicists used remote sensing to see reservoirs beneath the surface. That water could speed up the loss of ice as the climate warms.
Get ready for the live-action movie by watching the '80s anime classic.
There's nothing like a 1980s Earth Day commercial to make you realize how far we haven't come.
io9 has an exclusive look at the cover and first chapter of the io9 co-founder and Hugo winner's latest novel.
Satellite images show the collapse happening around March 15.
"Seeing more and more of these warm air events in the Arctic, in the winter, is definitely eye-opening as a climate scientist.”
The connection between sea ice and climate isn't understood, but the new record low has scientists alarmed.
